Geometrical Board: There are 1 wooden board with 49pcs of nails half driven in, 30 pattern cards. The supply of one individual package of latex band pack are more than enough. The board measures 6 x 6 x 0.6in, weigh 0.45kg.Educational Toy: Having them in school to learn all types of different 2D shapes and figuring out fractions. Good for kids who love making shapes, letters, designs and struggle with grasp, fine motor & visual motor skills.Competitive Advantage: The back side has pegs in the shape of a circle, the little tops on them and nails on the long side help make it easy for small fingers to get the bands on them and stay on them. Really broaden the scope of the shapes they make.Sturdy & Durable: All of the boards felt very firm and secure, hold up well when playing with them. The bands were also strong and wont have any of them break easily. (There may require adults direction for 1-3 year old kids)